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Java > Open Source Codes > org > apache > cocoon > components > validation > ValidationHandler


1 /*
2  * Copyright 1999-2005 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.cocoon.components.validation;
17
18 import org.apache.excalibur.source.SourceValidity;
19 import org.xml.sax.ContentHandler JavaDoc;
20 import org.xml.sax.ext.LexicalHandler JavaDoc;
21
22 /**
23  * <p>A {@link ValidationHandler} represents a {@link ContentHandler} validating
24  * SAX events according to a validation schema.</p>
25  *
26  * <p>As the handler might be tied to one (or more) resources from where the original
27  * schema was read from, the {@link #getValidity()} method provides a way to verify
28  * whether the validation instruction are still valid or not.</p>
29  *
30  * @author <a HREF="mailto:pier@betaversion.org">Pier Fumagalli</a>
31  */
32 public interface ValidationHandler extends ContentHandler JavaDoc, LexicalHandler JavaDoc {
33
34     /**
35      * <p>Return a {@link SourceValidity} instance associated with the original
36      * resources of the schema describing the validation instructions.</p>
37      *
38      * <p>As the handler might be tied to one (or more) resources from where the
39      * original schema was read from, the {@link #getValidity()} method provides a
40      * way to verify whether the validation instruction are still valid or not.</p>
41      */
42     public SourceValidity getValidity();
43
44 }
45
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